# Makefile for Elements of Style.  Standard 'all' and 'clean' targets
# plus *.pdf files. Does max 5 passes at a latex source. Reduces LaTeX
# output to a "progress bar". (p) Jan-Mark S. Wams

all: elos.pdf elos-kindel.pdf

base_files=main.tex twirl.tex Makefile         
pdflatex=pdflatex -shell-escape
bar=(while read&&read&&read&&read&&read&&read; do printf "\#"; done)
temps=*.log *.aux *.ps  *.pdf *.idx *.bbl *.blg out .*finish*_ok \
      *.lof *.lot *.toc *.glx *.gxg *.gxs *.ilg *.ind *.out
quiet=2>&1 > /dev/null

clean: 
	rm -f ${temps}

# Dummy file that is touched after a successful run of pdflatex.
.finished_ok: 
	rm -f ${temps}; touch .finished_ok

# Generic rule to build a .pdf using pdflatex.
.SUFFIXES: .pdf .tex
%.pdf: %.tex ${base_files} .finished_ok
	@mv -f .finished_ok .may_finish_ok ${quiet}; true
	@echo "Building $@, visit file 'out' for full LaTeX output."
	@echo "LaTeX Rerun" > out
	@for i in 1 2 3 4 5; do \
	  if grep 'LaTeX.*Rerun' out > /dev/null; then \
	    printf "Running LaTeX ($$i) "; \
	    ${pdflatex} $< | tee out | ${bar}; printf ".\n"; fi; done
	@-grep -i -e 'warning' -e 'Fatal error' out; true
	@-if !(grep -e 'LaTeX.*Rerun' -e 'Fatal error' out ${quiet});\
	  then mv -f .may_finish_ok .finished_ok ${quiet}; fi; true